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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: secondary source

Data source

Reference
Reference Type:
secondary source
Title:
Unnamed
Year:
1985

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
GLP compliance:
yes
Remarks:
according to SIDS

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium nitrite
EC Number:
231-555-9
EC Name:
Sodium nitrite
Cas Number:
7632-00-0
Molecular formula:
HNO2.Na
IUPAC Name:
sodium nitrate
Details on test material:
sodium nitrite

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: untreated eye of the same animal
Amount / concentration applied:
100 mg of substance
Duration of treatment / exposure:
24 h
Observation period (in vivo):
12 days
Number of animals or in vitro replicates:
6
Details on study design:
The eyes of three of the rabbits were irrigated with water for two minutes 30 - 60 seconds after application of the substance.

Results and discussion

In vivo

Results
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
other: 24 h
Score:
0
Max. score:
0
Irritant / corrosive response data:
Conjunctival effects were seen in all animals and consisted of moderate redness, mild chemosis and severe discharge. All signs of irritation had disappeared by twelve days. No corneal effects were observed.

Applicant's summary and conclusion

Interpretation of results:
moderately irritating
Remarks:
Migrated information